What is the primary role of peptide hormones in protein metabolism?

A To stimulate protein synthesis ✓
B To inhibit protein degradation
C To regulate gene expression
D To modulate enzyme activity

Explanation

Peptide hormones play a crucial role in regulating protein metabolism by stimulating protein synthesis, which is essential for various cellular processes.

Source

Guyton and Hall Textbook of Medical Physiology
Protein Metabolism Biochemistry Hormonal Regulation Medium MEDICAL Confidence: high